Home / 99,767,046.80-149,700,336.60-56,669,344.40

Finding the Fourth Proportional to 99,767,046.80, 149,700,336.60 and 56,669,344.40

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Solution

The fourth proportional to 99,767,046.80, 149,700,336.60 and 56,669,344.40 is: 85,032,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,767,046.80 : 149,700,336.60 = 56,669,344.40 : x
  2. Step 2: Convert to fraction form
    99,767,046.80/149,700,336.60 = 56,669,344.40/x
  3. Step 3: Cross multiply
    99,767,046.80x = 149,700,336.60 × 56,669,344.40
  4. Step 4: Simplify right side
    99,767,046.80x = 8,483,419,931,581,324
  5. Step 5: Solve for x
    x = 8,483,419,931,581,324/99,767,046.80
  6. Step 6: Final answer
    x = 85,032,284.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.